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Finding the Fourth Proportional to 526,774.47, 726,947.91 and 297,380.04

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Solution

The fourth proportional to 526,774.47, 726,947.91 and 297,380.04 is: 410,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,774.47 : 726,947.91 = 297,380.04 : x
  2. Step 2: Convert to fraction form
    526,774.47/726,947.91 = 297,380.04/x
  3. Step 3: Cross multiply
    526,774.47x = 726,947.91 × 297,380.04
  4. Step 4: Simplify right side
    526,774.47x = 216,179,798,553.72
  5. Step 5: Solve for x
    x = 216,179,798,553.72/526,774.47
  6. Step 6: Final answer
    x = 410,383.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.